Products TL3000EVR Series BER tester is a full-featured, easy to operate handheld digital channel BER testing and analysis instruments, the main features are asynchronous RS232, synchronous RS232, synchronous V.35, TTL level, clear / unframed E1 and E2 Interface error testing and analysis, customizable interface rate. In addition, it also has additional features digital frequency meter can measure the frequency of the input digital signal. It is a low-power VLSI design, character LCD, high-efficiency power management, handheld instrument is characterized by structural design, fully functional, user-friendly, lightweight and beautiful, easy to carry, is the ideal of modern communications engineers measuring tools, especially facilitate the engineering and technical personnel to carry when travel and field operations use. Product Attributes Specification E1 RS232 V.35 E2 signal output custom mode Transparent / framing / line synchronous / asynchronous synchronization / framing / Nx64K TTL level custom framing rate Standard S ★ Enhanced E ★ ★ ★ integrated M ★ ★ ★ ★ ★ ★ Other Help --- The machine features:? interface type and rate of complete, fully functional, to meet a variety of digital channel testing requirements;? small, easy to carry, suitable for field testing requirements;? use of rechargeable lithium battery-powered and low-power design, a fully charged battery case more than 4 hours to meet the testing requirements;? with a variety of performance test results and analysis, reflecting all aspects of the quality of the communication channel;? has 256 historical data storage; Test results are automatically recorded to facilitate testing personnel be called up view;? use of Chinese characters LCD and Chinese operation menu, easy operation using testers;? can 1ppm accuracy of measurement of the received signal frequency and deviation;? provide high-precision real-time clock function;? offer online firmware update feature. Transactions that EFT payments. Shipping.